Richard Carpenter, D.O., PH.D.
NPI 1881127165 · Family Medicine Physician · Martinez, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Carpenter, D.O., PH.D. is a Family Medicine Physician provider in Martinez, CA (NPI 1881127165).
Provider details
- NPI number
- 1881127165
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A16849 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
975 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 418 | $154 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 215 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $108 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 69 | $24 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $157 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 464 | 160 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 284 | 75 |
| Amlodipine Besylate | 271 | 93 |
| Gabapentin | 270 | 64 |
| Rosuvastatin Calcium | 263 | 103 |
| Levothyroxine Sodium | 193 | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,061 across 51 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-04
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Richard Carpenter's NPI number?
- Richard Carpenter's National Provider Identifier (NPI) is 1881127165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Carpenter's specialty?
- Richard Carpenter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Carpenter located?
- Richard Carpenter's practice location on file with NPPES is 1210 Alhambra Ave, Martinez, CA 94553-2300.
- What is Richard Carpenter's phone number?
- The practice phone number listed in the NPPES registry for Richard Carpenter is (925) 680-8933.
- Does Richard Carpenter accept Medicare?
- Richard Carpenter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Carpenter's NPI active?
- Yes — Richard Carpenter's NPI (1881127165) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.